To find all the divisors of the number 1,069,080:
- 1. Decompose the number into prime factors.
- See how you can find out how many factors (divisors) the number has, without actually calculating them.
- 2. Multiply the prime factors in all their unique combinations, that yield different results.
1. Carry out the prime factorization of the number 1,069,080:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
1,069,080 = 23 × 3 × 5 × 59 × 151
1,069,080 is not a prime number but a composite one.
- Prime number: a natural number that is divisible (divided evenly) only by 1 and itself. A prime number has exactly two factors: 1 and the number itself.
- Examples of prime numbers: 2 (factors 1, 2), 3 (factors 1, 3), 5 (factors 1, 5), 7 (factors 1, 7), 11 (factors 1, 11), 13 (factors 1, 13), ...
- Composite number: a natural number that has at least one factor other than 1 and itself. So it is neither a prime number nor 1.
- Examples of composite numbers: 4 (it has 3 factors: 1, 2, 4), 6 (it has 4 factors: 1, 2, 3, 6), 8 (it has 4 factors: 1, 2, 4, 8), 9 (it has 3 factors: 1, 3, 9), 10 (it has 4 factors: 1, 2, 5, 10), 12 (it has 6 factors: 1, 2, 3, 4, 6, 12), ...
How to count the number of factors of a number?
Without actually finding the factors
- If a number N is prime factorized as:
N = am × bk × cz
where a, b, c are the prime factors and m, k, z are their exponents, natural numbers, .... - ...
- Then the number of factors of the number N can be calculated as:
n = (m + 1) × (k + 1) × (z + 1) - ...
- In our case, the number of factors is calculated as:
- n = (3 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 4 × 2 × 2 × 2 × 2 = 64
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 1,069,080
- Multiply the prime factors involved in the prime factorization of the number in all their unique combinations, that give different results.
- Also consider the exponents of these prime factors.
- Also add 1 to the list of factors (divisors). All the numbers are divisible by 1.
All the factors (divisors) are listed below - in ascending order
The list of factors (divisors):
Numbers other than 1 that are not prime factors are composite factors (divisors).
neither prime nor composite =
1
prime factor =
2
prime factor =
3
composite factor = 2
2 =
4
prime factor =
5
composite factor = 2 × 3 =
6
composite factor = 2
3 =
8
composite factor = 2 × 5 =
10
composite factor = 2
2 × 3 =
12
composite factor = 3 × 5 =
15
composite factor = 2
2 × 5 =
20
composite factor = 2
3 × 3 =
24
composite factor = 2 × 3 × 5 =
30
composite factor = 2
3 × 5 =
40
prime factor =
59
composite factor = 2
2 × 3 × 5 =
60
composite factor = 2 × 59 =
118
composite factor = 2
3 × 3 × 5 =
120
prime factor =
151
composite factor = 3 × 59 =
177
composite factor = 2
2 × 59 =
236
composite factor = 5 × 59 =
295
composite factor = 2 × 151 =
302
composite factor = 2 × 3 × 59 =
354
composite factor = 3 × 151 =
453
composite factor = 2
3 × 59 =
472
composite factor = 2 × 5 × 59 =
590
composite factor = 2
2 × 151 =
604
composite factor = 2
2 × 3 × 59 =
708
composite factor = 5 × 151 =
755
composite factor = 3 × 5 × 59 =
885
composite factor = 2 × 3 × 151 =
906
This list continues below...
... This list continues from above
composite factor = 2
2 × 5 × 59 =
1,180
composite factor = 2
3 × 151 =
1,208
composite factor = 2
3 × 3 × 59 =
1,416
composite factor = 2 × 5 × 151 =
1,510
composite factor = 2 × 3 × 5 × 59 =
1,770
composite factor = 2
2 × 3 × 151 =
1,812
composite factor = 3 × 5 × 151 =
2,265
composite factor = 2
3 × 5 × 59 =
2,360
composite factor = 2
2 × 5 × 151 =
3,020
composite factor = 2
2 × 3 × 5 × 59 =
3,540
composite factor = 2
3 × 3 × 151 =
3,624
composite factor = 2 × 3 × 5 × 151 =
4,530
composite factor = 2
3 × 5 × 151 =
6,040
composite factor = 2
3 × 3 × 5 × 59 =
7,080
composite factor = 59 × 151 =
8,909
composite factor = 2
2 × 3 × 5 × 151 =
9,060
composite factor = 2 × 59 × 151 =
17,818
composite factor = 2
3 × 3 × 5 × 151 =
18,120
composite factor = 3 × 59 × 151 =
26,727
composite factor = 2
2 × 59 × 151 =
35,636
composite factor = 5 × 59 × 151 =
44,545
composite factor = 2 × 3 × 59 × 151 =
53,454
composite factor = 2
3 × 59 × 151 =
71,272
composite factor = 2 × 5 × 59 × 151 =
89,090
composite factor = 2
2 × 3 × 59 × 151 =
106,908
composite factor = 3 × 5 × 59 × 151 =
133,635
composite factor = 2
2 × 5 × 59 × 151 =
178,180
composite factor = 2
3 × 3 × 59 × 151 =
213,816
composite factor = 2 × 3 × 5 × 59 × 151 =
267,270
composite factor = 2
3 × 5 × 59 × 151 =
356,360
composite factor = 2
2 × 3 × 5 × 59 × 151 =
534,540
composite factor = 2
3 × 3 × 5 × 59 × 151 =
1,069,080
64 factors (divisors)
What times what is 1,069,080?
What number multiplied by what number equals 1,069,080?
All the combinations of any two natural numbers whose product equals 1,069,080.
1 × 1,069,080 = 1,069,080
2 × 534,540 = 1,069,080
3 × 356,360 = 1,069,080
4 × 267,270 = 1,069,080
5 × 213,816 = 1,069,080
6 × 178,180 = 1,069,080
8 × 133,635 = 1,069,080
10 × 106,908 = 1,069,080
12 × 89,090 = 1,069,080
15 × 71,272 = 1,069,080
20 × 53,454 = 1,069,080
24 × 44,545 = 1,069,080
30 × 35,636 = 1,069,080
40 × 26,727 = 1,069,080
59 × 18,120 = 1,069,080
60 × 17,818 = 1,069,080
118 × 9,060 = 1,069,080
120 × 8,909 = 1,069,080
151 × 7,080 = 1,069,080
177 × 6,040 = 1,069,080
236 × 4,530 = 1,069,080
295 × 3,624 = 1,069,080
302 × 3,540 = 1,069,080
354 × 3,020 = 1,069,080
453 × 2,360 = 1,069,080
472 × 2,265 = 1,069,080
590 × 1,812 = 1,069,080
604 × 1,770 = 1,069,080
708 × 1,510 = 1,069,080
755 × 1,416 = 1,069,080
885 × 1,208 = 1,069,080
906 × 1,180 = 1,069,080
32 unique multiplications The final answer:
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